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Lighting Problems to be fixed in Post

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Lighting Problems to be fixed in Post
by Andrew Dickinson on Sep 2, 2008 at 11:04:01 pm

Hi, I'm a somewhat experienced After Effects user, and we did a shoot that is supposed to look like a white BG effect... eg Apple ads.

However, production did not go as planned, and I'm left with footage that looks like:

http://www.flickr.com/photos/copulathecontusion/2822399733/

I want to remove the darkened vignette of the improperly lit background and leave the rest as close to what it is as possible. I've tried a number of things, and am afraid I'll have to resort to masking the entire 10 minute video.

I've tried motion tracking, but looks wonky when the head rotates. I've tried simple color correction, but lose information elsewhere in the image.

Please let me know if you have any ideas of a quick yet effective solution.

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Re: Lighting Problems to be fixed in Post
by Brendan Coots on Sep 3, 2008 at 2:20:43 am

You could run a key (keylight) with a fairly heavy feather on the resulting edges. You can use this rough key as an alpha matte for an adjustment layer which contains your background levels adjustment.

Brendan Coots

Splitvision Digital

www.splitvisiondigital.com


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Re: Lighting Problems to be fixed in Post
by Andrew Dickinson on Sep 3, 2008 at 3:32:43 pm

I viewed the Foundry's website and really dug into Keylight -- WHOA. Thanks so much, you saved my life!

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Re: Lighting Problems to be fixed in Post
by Chris Wright on Sep 3, 2008 at 4:31:16 am

extract effect or duplicated layer with levels effects and difference matte for alpha channel and a quick garbage matte will work wonders too.




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